Tennō no guntai /

by Ōtani, Keijirō, 1897-
Tōkyō : Tosho Shuppansha, 1972

Shōwa kenpeishi /

by Ōtani, Keijirō, 1897-1976
Tōkyō : Misuzu Shobō, 1966

Showa kenpeishi.

by Ōtani, Keijirō, 1897-1976
[Place of publication not identified] : [publisher not identified], 1966